Henry FitzAlan, 9th Earl of Arundel (1512–1580), was a prominent English nobleman during the Tudor period. He was the son of Henry FitzAlan, 8th Earl of Arundel and inherited the title in 1544. Known for his loyalty to the Catholic Church, he faced challenges during the Protestant Reformation in England. As a member of the House of Lords, FitzAlan played a significant role in political affairs. He was involved in various court intrigues and was a supporter of Mary, Queen of Scots. His life reflected the complexities of loyalty and power during a time of religious and political upheaval in England.